Question: WHICH  IS THE CLASS II COMBUSTIBLE LIQUID WITH THE MAXIMUM DYNAMIC VISCOSITY
Paraphrase: Which Class II Combustible Liquid has the highest maximum viscosity?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009057 . ?ent wdt:P3070 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: acetic anhydride, formic acid